#C3D4EF
Closest named color: Cadet Gray (#CED4DA). oklch(86.6% 0.042 259.6), rgb(195, 212, 239).
Aa
Black text reads best on this color (13.98:1).
About this color
#C3D4EF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.042 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.032 away. Black text reads best on it, at 13.98:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.98:1 |
| White text | 1.50:1 |
Values
| HEX | #C3D4EF |
| RGB | rgb(195, 212, 239) |
| HSL | hsl(217, 58%, 85%) |
| OKLCH | oklch(86.6% 0.042 259.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C3D4EF | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #C3D4EF | 13.98:1 | AAA | Lc 80.3 | Fine for body text |
| #C3D4EF text on white | 1.50:1 | Fails | Lc 23.5 | Dividers and decoration only |
| #C3D4EF text on black | 13.98:1 | AAA | Lc -79.7 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200 (this color)
#C3D4EF
oklch(86.6% 0.042 259.6)
-
Step 300
300
#ACC2E4
oklch(80.9% 0.054 259)
-
Step 400
400
#81A2D7
oklch(70.8% 0.086 259.7)
-
Step 500
500
#618ACC
oklch(63.2% 0.11 259.6)
-
Step 600
600
#4773B9
oklch(55.7% 0.12 259.3)
-
Step 700
700
#39609F
oklch(49.2% 0.111 259.6)
-
Step 800
800
#2F4E81
oklch(42.6% 0.093 259.9)
-
Step 900
900
#2A4167
oklch(37.6% 0.072 260)
-
Step 950
950
#19273D
oklch(27.2% 0.046 259.2)
#C3D4EF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #CBD5F0 | 0.011 |
| Deuteranopia (no green cones) | #C7D1EE | 0.009 |
| Tritanopia (no blue cones) | #B8D9DD | 0.036 |
| Achromatopsia (no color) | #D3D3D3 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3D4EF
#C3D4EF
oklch(86.6% 0.042 259.6)
- #E2D0B5
#E2D0B5
oklch(86.5% 0.041 78.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C3D4EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Gray #D3D3D3 ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.043
- Light Periwinkle #C1C6FC ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.049
- Celeste #A8DADC ΔE 0.049
Use #C3D4EF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.